Oracle Linux 9 : ELSA-2026-64808-0: / kernel (ELSA-2026-648080)

high Nessus Plugin ID 344603

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-648080 advisory.

- KVM: arm64: Bound used_lrs when flushing the pKVM hyp vCPU (Jon Maloy) [RHEL-234207] {CVE-2026-64287}
- nvmet-auth: validate reply message payload bounds against transfer length (CKI Backport Bot) [RHEL-234145] {CVE-2026-64319}
- smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() (CKI Backport Bot) [RHEL-228852] {CVE-2026-64136}
- io_uring/poll: fix signed comparison in io_poll_get_ownership() (CKI Backport Bot) [RHEL-227107] {CVE-2026-52933}
- smb: client: fix change notify replay double-free (CKI Backport Bot) [RHEL-226985] {CVE-2026-64384}
- nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (CKI Backport Bot) [RHEL-219614] {CVE-2026-64320}
- can: bcm: extend bcm_tx_lock usage for data and timer updates (CKI Backport Bot) [RHEL-216699] {CVE-2025-38004}
- can: bcm: add locking when updating filter and timer values (CKI Backport Bot) [RHEL-216699] {CVE-2025-38004}
- can: bcm: fix locking for bcm_op runtime updates (CKI Backport Bot) [RHEL-216699] {CVE-2025-38004}
- can: bcm: add locking for bcm_op runtime updates (CKI Backport Bot) [RHEL-216699] {CVE-2025-38004}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 344603

File Name: oraclelinux_ELSA-2026-648080.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 9/10/2026

Updated: 9/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.37

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:C

CVSS Score Source: CVE-2025-38004

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:9, cpe:/o:oracle:linux:9:8:baseos_patch, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:kernel-debug-devel-matched, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug-modules-core, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-debug-modules, p-cpe:/a:oracle:linux:kernel-debug-uki-virt, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-devel-matched, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules-core, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-uki-virt-addons, p-cpe:/a:oracle:linux:kernel-uki-virt, p-cpe:/a:oracle:linux:kernel, p-cpe:/a:oracle:linux:libperf, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:rtla, p-cpe:/a:oracle:linux:rv

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 9/10/2026

Vulnerability Publication Date: 6/8/2025

Reference Information

CVE: CVE-2025-38004, CVE-2026-52933, CVE-2026-53000, CVE-2026-64136, CVE-2026-64287, CVE-2026-64319, CVE-2026-64320, CVE-2026-64384

Detections

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